RAID Cards

There are a few choices here - Apple makes their own card with RAID0,1,5,0+1 (not 1+0). Caldigit seems the alternative and their card at least will allow bootcamp to reside upon them (Apple's does not). Also, the Atto and Areca work in Boot Camp. The Highpoint products don't, but they will work with either OS X or Windows. Just one at a time. Each requires different firmware.

Harpertown

2.80GHz x4 - E5462 (80W TDP)

3.00GHz x4 - E5472 (80W TDP)

3.00GHz x4 - X5472 (120W TDP)

3.20GHz x4 - X5482 (150W TDP)

Note: The 3.2GHz Mac Pros have extra cooling on the motherboard to compensate for the 150W TDP processors. The first 3.00GHz Mac Pros seemed to have shipped with the 120W part (X5472), but later purchases are confirmed to have been shipped with E5472s.